DAIMA

  OFDM系统通过在时域符号前插入大于信道冲击响应长度的循环前缀（CP）可以避免符号间干扰(ISI)和载波间干扰(ICI)。但是，过长CP会使得数据传输效率降低。可以采用最小均方误差（MMSE）信道缩短均衡技术来压缩信道冲击响应长度。(OFDM systems avoid inter-symbol interference (ISI) and inter-carrier interference (ICI) by inserting a cyclic prefix (CP) larger than the channel impulse response length before the time-domain symbol. However, long CP will reduce the efficiency of data transmission. A minimum mean square error (MMSE) channel shortening equalization technique may be employed to compress the channel impulse response length.)

代码
....\OFDM_MMSE_BER_SNR
....\.................\BER_SNR_OLD_AWGN.fig,25108,2016-11-02
....\.................\JW_SNR_OLD_AWGN.fig,23985,2016-11-02
....\.................\MMSE_SIRF.m,2832,2016-11-02
....\.................\OFDM_MMSE_256FFT_16CP_32PATH_32SIRF_15TIR.mat,1833717,2016-11-02
....\.................\OFDM_MMSE_BER_SNR_256FFT_16CP_32PATH_32SIRF_15TIR.fig,25047,2016-11-02
....\.................\OFDM_MMSE_JW_SNR_256FFT_16CP_32PATH_32SIRF_15TIR.fig,23626,2016-11-02
....\.................\ofdm_MMSE_v2.m,7411,2016-11-13
....\OFDM_MMSE_BER_SNR30dB_Nb
....\........................\BER_SNR_30dB_Nb_1_16.fig,25222,2016-11-05
....\........................\Jw_SNR_30dB_Nb_1_16.fig,25489,2016-11-05
....\........................\MMSE_SIRF.m,2832,2016-11-02
....\........................\ofdm_MMSE_v2.m,5958,2016-11-05
....\........................\SNR30dB_Nf_32_CP_16_path_32_Nb_1_16.mat,1833854,2016-11-05
....\OFDM_MMSE_BER_SNR30dB_Nf
....\........................\BER_SNR30dB_Nb16_CP_16_path_32_Nf.fig,26109,2016-11-06
....\........................\Jw_SNR30dB_Nb16_CP_16_path_32_Nf.fig,25532,2016-11-06
....\........................\MMSE_SIRF.m,2832,2016-11-02
....\........................\ofdm_MMSE_v2.m,5959,2016-11-05
....\........................\SNR30dB_Nb16_CP_16_path_32_Nf.mat,1833991,2016-11-06
....\OFDM_NO_MMSE_BER_SNR
....\....................\BER_SNR_NO_MMSE.fig,25647,2016-11-02
....\....................\BER_SNR_NO_MMSE_CUTOFF.fig,25195,2016-11-02
....\....................\BER_SNR_NO_MMSE_enoughCP.fig,25942,2016-11-02
....\....................\OFDM_NO_MMSE_256FFT_16_CP_32PATH.mat,1704990,2016-11-02
....\....................\ofdm_NO_MMSE_v2.m,4934,2016-11-02